Ext.Ajax.on('requestcomplete',function(conn,response){
  		if(response.responseText.substring(4,7)=="500"){
  			window.top.location.href="/rais/common/error.jsp";
  		}
	});
Ext.Ajax.on('requestexception',function(conn,response){
  		if (response.status=='989'){
      		window.top.location.href="/rais";
    	} 
	});
